#4E59B1#4E59B1

#4E59B1 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.1% C 0.139 H 274.9°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#4E59B1
RGB	rgb(78, 89, 177)
HSL	hsl(233, 39%, 50%)
HSV	hsv(233, 56%, 69%)
CMYK	cmyk(55.9%, 49.7%, 0%, 30.6%)
CIE-LAB	lab(41.12, 21.87, -48.39)
CIE-LCH	lch(41.12, 53.11, 294.32°)
OKLab	oklab(50.08% 0.0118 -0.1381)
OKLCH	oklch(50.08% 0.139 274.9)
XYZ	xyz(14.6475, 11.9378, 43.1188)
Luminance	0.1194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E59B1 #B1A64E

analogous

#4E8BB1 #4E59B1 #744EB1

triadic

#4E59B1 #B14E59 #59B14E

tetradic

#4E59B1 #B14E8B #B1A64E #4EB174

square

#4E59B1 #B14E8B #B1A64E #4EB174

split-complementary

#4E59B1 #B1744E #8BB14E

monochromatic

#292E5C #3B4487 #4E59B1 #7881C4 #A3A9D6

Accessibility & contrast

On white

6.20

#4E59B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#4E59B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E59B1

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E59B1	#FFFFFF	#000000	##FFFFFF
##4E59B1	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D65B4

Deuteranopia (green-blind)

#1F5DAF

Tritanopia (blue-blind)

#186D7C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4e59b1;
/* rgb */ color: rgb(78, 89, 177);
/* oklch */ color: oklch(50.1% 0.139 274.9);

Tailwind

colors: {
  custom: {
    50: '#8787c9',
    500: '#4e59b1',
    950: '#000000',
  },
}

SCSS

$custom: #4e59b1;
$custom-light: #8787c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e59b1",
  "rgb": {
    "r": 78,
    "g": 89,
    "b": 177
  },
  "hsl": {
    "h": 233.333,
    "s": 38.824,
    "l": 50
  },
  "oklch": {
    "l": 0.50077,
    "c": 0.13865,
    "h": 274.9
  },
  "luminance": 0.11939
}

Semantic roles & 50–950 ramp

primary

#4E59B1

secondary

#C4BF97

accent

#C259CF

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4E59B1

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →